Nowadays,it is common for people to have one or two cell phones.It is also very convenient to contact someone by using cell phones.On the other hand,an unexpected phone ring might disturb people a lot.

Take for instance one of the students in my class.She always has her cell phone turned on in class.Usually,she gets two or three calls during the class.Whenever the phone rings,the sound is annoying to us.We imply that she should turn her cell phone to vibrating mode,but it doesn’t seem to work.It turns out everyone has to tolerate her behavior to keep the harmony in class.

I am wondering why she is so selfish and inconsiderate.If we are expecting an important call, we should turn the sound off and answer the phone out of classroom.Sometimes,a small action can have a strong impact on others.So,when we take advantage of high technology,we should also be a thoughtful person !